The only defense of Vaxry ever presented was that he was a bigot on his own discord and not freedesktop's. He's a shit bag and he can take his i3 for fascists elsewhere.
It's literally a blog post of one person's opinion which concludes without a definitive statement, that it's not settled if they're trees or not, and then links to a page "for further reading" that categorizes them under trees.
This is a reminder that there is no universally accepted botanical definition of tree. It is also a reminder that usage supersedes definition, so pointing out that coconut palm trees aren't "trees" makes you both annoying and wrong.
I mean, you could literally work at a summer camp. Otherwise the only things I can think of that fit your descriptors is potentially field research, or maybe working for a company that follows festivals.
Its 3.10.0-1160, which means it's CentOS 7.9 that was released at the end of 2020. It was a super old kernel at the time of release though.
RHEL 7 just ended maintenance support a month ago and there's 4 years of ELS before it's completely end of life.